Four years ago, Barack Obama was not yet even the Democratic nominee for president. Today he's running for reelection, and his Justice Department is expected to bring criminal charges against some former Credit Suisse traders for fraud they allegedly committed four years ago. We can hope this is the only the beginning of an aggressive new campaign to root out the malfeasance that helped bring down the financial system, but for now it feels like too little, four years too late.

We are not looking to the World Economic Forum delegates to reinvent the wheel. What we need is for our political leaders to look beyond the narrow and restrictive prism of austerity to put jobs and growth at the center of plans to reboot the global economy.

It is not just Wall Street that needs to be occupied and reformed, but Main Street, and the process is already underway in finance, retailing, manufacturing, education and politics. Perhaps this is the time for business schools to step forward and take a radical lead.

Chancellor Merkel and her policymakers have been acting on the basis that Greece is an isolated case. Yet every reactive decision and feeble measure by Berlin increases the likelihood of a Greek tragedy becoming a Europe-wide one.

The global crisis has pushed trade reforms off -- or at least to the edge of -- the political radar screen. But shying away from improving the trade system in these tough economic times seems a little like cutting off your nose to spite your face.

The Fed's bail-out was not $1.2 trillion, $7.77 trillion, $16 trillion, or even $24 trillion. It was $29 trillion. That is, of course, the cumulative total. But even the peak outstanding numbers are bigger than previously reported.

A year ago I published "10 Big Themes for 2011" -- related to how the digital revolution changes business and society. It's helpful to review what actually occurred. Below are my projections and some 20-20 hindsight editorializing.